Fiberguide Industries provides consumers with a wide variety of metalized optical fibers that are typically utilized for proprietary manufacturing purposes. When applied with a metalized coating, these fibers are capable of safely operating in extreme temperatures and harsh environments.

Gold Coated Fiber

Silica Core / Silica Clad / Gold Coated Fiber

The Gold Coated Fibers provided by Fiberguide Industries have been specifically designed to safely operate in the most extensive temperature range of -269 °C to 700 °C, compared to any other optical fiber currently available on the market today. In addition to this unique property, this fiber also exhibits excellent corrosion resistance and an ability to be soldered or brazed. These physical properties allow the gold coated fibers to be ideal for turbine flame monitoring, oil and gas down-hole sensing and high-vacuum or pressure applications.

Standard Product Specifications

Step Index Multimode

Pure Fused Silica Core

Fluorine-Doped Silica Cladding

Core / Cladding Sizes:

50/125 µm

105/125 µm

100/140 µm

200/220 µm

300/330 µm

400/440 µm

Wavelengths:

Superguide (High OH: UV – Vis): 190 nm – 1250 nm

Anhydroguide (Low OH: Vis – IR): 300 nm – 2400 nm

Numerical Aperture (NA):

0.12

0.22

0.26

Graded Index Multimode

Germanium Doped Fused Silica Core Pure Fused Silica Cladding

Core / Cladding Sizes:

50/125 µm

62.5/125 µm

Wavelengths: Optimized for 850 nm & 1300 nm

Numerical Aperture (NA):

50 µm: 0.200

62.5 µm: 0.275

Single Mode

Germanium Doped Fused Silica Core

Pure Fused Silica Cladding

Mode Field Diameter / Cladding Sizes:

4.3/125 µm

9.0/125 µm

Wavelengths:

4.3/125 µm: 633 nm – 680 nm

9.0/125 µm: 1310 nm

Numerical Aperture (NA): 0.12

Coating:

Gold: -269 °C to +700° C / -452 °F to +1292 °F

Aluminum Coated Fiber

Silica Core / Silica Clad / Aluminum Coated Fiber

The Aluminum Coated Fibers provided by Fiberguide Industries have been specifically designed to withstand a wide temperature range of -269 °C to 400 °C, all the while maintaining a superior strength that exceeds 1000 kpsi. As a result of these properties, the aluminum coated fibers can be used for extended stress levels in a wide variety of applications that require tight bends without easily breaking. Furthermore, the strong chemical bond that exists between the silica cladding and aluminum allows for a direct termination to be achieved without requiring additional pistoning. Furthermore, this bond allows the aluminum coating to complement the deep UV performance rates of Fiberguide’s Solarguide product family.

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